If the velocity of a sailboat changes from 4 m/s to 2 m/s over a period of time, what is true of the sailboat's acceleration?

A. it is positive
B. it is negative
C. it is equal to zero
D. it is equal to 2 knots/hr


B. it is negative

Anatomy & Physiology

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The brain contains four lined cavities called ventricles.?

Indicate whether the statement is true or false

Anatomy & Physiology

All of the following cranial nerves innervate the extrinsic eye muscles except

A. the trochlear nerve. B. the oculomotor nerve. C. the facial nerve. D. the abducens nerve. E. all of these cranial nerves innervate the extrinsic eye muscles.

Anatomy & Physiology

Which structures are fingerlike projections that greatly increase the absorbing surface of cells?

A) stereocilia B) microvilli C) cilia D) flagella

Anatomy & Physiology

Which of the following is NOT a role of connective tissue?

A. insulation B. protection C. support D. absorption

Anatomy & Physiology